Update MSRV to 1.81.0

And reorder CI steps to cache `cargo install` binaries

Author: albenik

.github/workflows/rust-tests.yml

@@ -37,8 +37,17 @@ jobs:
     runs-on: ubuntu-24.04
 
     steps:
-    - name: Show YDB server version
-      run: docker ps; docker exec ydb /ydbd -V
+    - name: Checkout
+      uses: actions/checkout@v4
+      with:
+        submodules: true
+
+    - name: Rust cache
+      uses: Swatinem/rust-cache@v2
+
+    - name: Cargo install
+      if: matrix.rust_version == 'RUST_VERSION_NEW'
+      run: cargo install cargo-sort cargo-udeps cargo-audit cargo-pants
 
     - name: Install stable rust
       uses: dtolnay/rust-toolchain@v1
@@ -53,14 +62,8 @@ jobs:
         toolchain: nightly
         components: clippy, rustfmt
 
-    - name: Cargo install
-      if: matrix.rust_version == 'RUST_VERSION_NEW'
-      run: cargo install cargo-sort cargo-udeps cargo-audit cargo-pants
-
-    - name: Checkout
-      uses: actions/checkout@v4
-      with:
-        submodules: true
+    - name: Show YDB server version
+      run: docker ps; docker exec ydb /ydbd -V
 
     - name: Rust version
       id: rust_version_step
@@ -70,9 +73,6 @@ jobs:
         echo "CARGO_INCREMENTAL=$CARGO_INCREMENTAL"
         echo "name=version::$(rustc --version | cut -d ' ' -f 2)" >> $GITHUB_OUTPUT
 
-    - name: Rust cache
-      uses: Swatinem/rust-cache@v2
-
     - name: Rustfmt check
       if: matrix.rust_version == 'RUST_VERSION_NEW'
       run: cargo fmt --check

ydb-example-urlshortener/Cargo.toml

@@ -3,7 +3,7 @@ publish = false
 name = "ydb-example-urlshortener"
 version = "0.0.0"
 edition = "2021"
-rust-version = "1.68.0"
+rust-version = "1.81.0"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]

ydb-grpc-helpers/Cargo.toml

@@ -7,7 +7,7 @@ edition = "2018"
 license = "Apache-2.0"
 description = "Deprecated, not used now. Crate contain helpers for generate grpc imports in ydb-grpc crate."
 repository = "https://github.com/ydb-platform/ydb-rs-sdk/tree/ydb-grpc-helpers-0.0.11/ydb-grpc-helpers"
-rust-version = "1.68.0"
+rust-version = "1.81.0"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 [lib]

ydb-grpc/Cargo.toml

@@ -7,7 +7,7 @@ edition = "2021"
 license = "Apache-2.0"
 description = "Crate contains generated low-level grpc code from YDB API protobuf, used as base for ydb crate"
 repository = "https://github.com/ydb-platform/ydb-rs-sdk/tree/master/ydb-grpc"
-rust-version = "1.68.0"
+rust-version = "1.81.0"
 
 [dependencies]
 prost = "0.13"

ydb-slo-tests/Cargo.toml

@@ -7,7 +7,7 @@ edition = "2021"
 license = "Apache-2.0"
 description = "Crate contains SLO-tests for YDB"
 repository = "https://github.com/ydb-platform/ydb-rs-sdk/tree/master/ydb-slo-tests"
-rust-version = "1.68.0"
+rust-version = "1.81.0"
 
 [dependencies]
 async-trait = "0.1"

ydb/Cargo.toml

@@ -7,7 +7,7 @@ edition = "2021"
 license = "Apache-2.0"
 description = "Crate contains generated low-level grpc code from YDB API protobuf, used as base for ydb crate"
 repository = "https://github.com/ydb-platform/ydb-rs-sdk/tree/master/ydb"
-rust-version = "1.68.0"
+rust-version = "1.81.0"
 
 [features]
 force-exhaustive-all = [